class GridSprite extends egret.Sprite
{
    public constructor()
    {
        super();
        this.drawGrid();
    }
    private drawGrid()
    {
        this.graphics.beginFill( 0x0000ff );
        this.graphics.drawRect( 0, 0, 50,50 );
        this.graphics.endFill();
        this.graphics.beginFill( 0x0000ff );
        this.graphics.drawRect( 50, 50, 50, 50);
        this.graphics.endFill();
        this.graphics.beginFill( 0xff0000 );
        this.graphics.drawRect( 50, 0, 50,50 );
        this.graphics.endFill();
        this.graphics.beginFill( 0xff0000 );
        this.graphics.drawRect( 0, 50, 50,50 );
        this.graphics.endFill();
    }
}